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Posted to github@arrow.apache.org by "seanslma (via GitHub)" <gi...@apache.org> on 2023/10/10 01:26:44 UTC

Re: [I] [Python] pyarrow 13.0.0 converted `datetime64[ns]` to `datetime64[us]` when using `pd.read_parquet` [arrow]

seanslma commented on issue #38171:
URL: https://github.com/apache/arrow/issues/38171#issuecomment-1754163578

   This bug in pyarrow together with the bug in pandas https://github.com/pandas-dev/pandas/issues/55212 makes a lot of troubles for our api. Note out fastapi uses pyarrow 12.0.0 and converts pandas df to parquet bytes.
   
   I believe the changes in pyarrow 13.0.0 are in this PR: https://github.com/apache/arrow/pull/35656
   
   It's good to keep the original units but converting `ns` to `us` sounds not good.


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